France's Alize Cornet celebrates scoring a point in the first round match of the French Open tennis tournament against Italy's Roberta Vinci at the Roland Garros stadium, in Paris, France, Monday, May 25, 2015. (Photo by Christophe Ena/AP Photo)

France's Alize Cornet reacts in the first round match of the French Open tennis tournament against Italy's Roberta Vinci at the Roland Garros stadium, in Paris, France, Monday, May 25, 2015. (Photo by Christophe Ena/AP Photo)

Tennis, French Open – Roland Garros, Paris, France – May 24, 2015: Women's Singles – Serbia's Ana Ivanovic looks dejected during the first round. (Photo by Jason Cairnduff/Action Images via Reuters)

Benjamin Becker of Germany plays a shot to Ruben Bemelmans of Belgium during their men's singles match at the French Open tennis tournament at the Roland Garros stadium in Paris, France, May 25, 2015. (Photo by Jean-Paul Pelissier/Reuters)

Fabio Fognini of Italy plays a shot to Japan's Tatsuma Ito during their men's singles match at the French Open tennis tournament at the Roland Garros stadium in Paris, France, May 25, 2015. (Photo by Gonzalo Fuentes/Reuters)

Fabio Fognini of Italy reacts during the men's singles match against Japan's Tatsuma Ito at the French Open tennis tournament at the Roland Garros stadium in Paris, France, May 25, 2015. (Photo by Gonzalo Fuentes/Reuters)

Japan's Tatsuma Ito eyes the ball as he prepares to play a shot to Fabio Fognini of Italy during their men's singles match at the French Open tennis tournament at the Roland Garros stadium in Paris, France, May 25, 2015. (Photo by Gonzalo Fuentes/Reuters)

Tennis, French Open – Roland Garros, Paris, France – May 25, 2015: Women's Singles – Germany's Sabine Lisicki in action during the first round. (Photo by Jason Cairnduff/Action Images via Reuters)

Sabine Lisicki of Germany reacts during the women's singles match against Monica Puig of Puerto Rico at the French Open tennis tournament at the Roland Garros stadium in Paris, France, May 25, 2015. (Photo by Pascal Rossignol/Reuters)

Monica Puig of Puerto Rico plays a shot to Sabine Lisicki of Germany during their women's singles match at the French Open tennis tournament at the Roland Garros stadium in Paris, France, May 25, 2015. (Photo by Pascal Rossignol/Reuters)

Monica Puig (R) of Puerto Rico and Sabine Lisicki of Germany walk on the court during their women's singles match at the French Open tennis tournament at the Roland Garros stadium in Paris, France, May 25, 2015. (Photo by Pascal Rossignol/Reuters)

Carla Suarez Navarro of Spain plays a shot to Monica Niculescu of Romania during their women's singles match at the French Open tennis tournament at the Roland Garros stadium in Paris, France, May 25, 2015. (Photo by Vincent Kessler/Reuters)

Alize Cornet of France plays a shot to Roberta Vinci of Italy during their women's singles match at the French Open tennis tournament at the Roland Garros stadium in Paris, France, May 25, 2015. (Photo by Jean-Paul Pelissier/Reuters)

Alize Cornet of France reacts during the women's singles match against Roberta Vinci of Italy at the French Open tennis tournament at the Roland Garros stadium in Paris, France, May 25, 2015. (Photo by Jean-Paul Pelissier/Reuters)

Alize Cornet of France plays a shot to Roberta Vinci of Italy during their women's singles match at the French Open tennis tournament at the Roland Garros stadium in Paris, France, May 25, 2015. (Photo by Jean-Paul Pelissier/Reuters)

Fernando Verdasco of Spain plays a shot to Japan's Taro Daniel during their men's singles match at the French Open tennis tournament at the Roland Garros stadium in Paris, France, May 25, 2015. (Photo by Gonzalo Fuentes/Reuters)

Angelique Kerber of Germany plays a shot to Timea Babos of Hungary during their women's singles match at the French Open tennis tournament at the Roland Garros stadium in Paris, France, May 25, 2015. (Photo by Gonzalo Fuentes/Reuters)

Timea Babos of Hungary serves to Angelique Kerber of Germany during their women's singles match at the French Open tennis tournament at the Roland Garros stadium in Paris, France, May 25, 2015. (Photo by Gonzalo Fuentes/Reuters)

Vitalia Diatchenko of Russia plays a shot to Stefanie Voegele of Switzerland during their women's singles match at the French Open tennis tournament at the Roland Garros stadium in Paris, France, May 25, 2015. (Photo by Vincent Kessler/Reuters)

Vitalia Diatchenko of Russia reacts during the women's singles match against Stefanie Voegele of Switzerland at the French Open tennis tournament at the Roland Garros stadium in Paris, France, May 25, 2015. (Photo by Vincent Kessler/Reuters)

Madison Brengle of the U.S. plays a shot to Samantha Stosur of Australia during their women's singles match at the French Open tennis tournament at the Roland Garros stadium in Paris, France, May 25, 2015. (Photo by Pascal Rossignol/Reuters)

Vitalia Diatchenko of Russia's nails are seen as she concentrates during the women's singles match against Stefanie Voegele of Switzerland at the French Open tennis tournament at the Roland Garros stadium in Paris, France, May 25, 2015. (Photo by Vincent Kessler/Reuters)

Tennis, French Open – Roland Garros, Paris, France – May 25, 2015: Women's Singles – Russia's Maria Sharapova in action during the first round. (Photo by Jason Cairnduff/Action Images via Reuters)

Maria Sharapova of Russia plays a shot to Kaia Kanepi of Estonia during their women's singles match at the French Open tennis tournament at the Roland Garros stadium in Paris, France, May 25, 2015. (Photo by Jean-Paul Pelissier/Reuters)

Maria Sharapova of Russia reacts during the women's singles match against Kaia Kanepi of Estonia at the French Open tennis tournament at the Roland Garros stadium in Paris, France, May 25, 2015. (Photo by Jean-Paul Pelissier/Reuters)

Maria Sharapova of Russia plays a shot to Kaia Kanepi of Estonia during their women's singles match at the French Open tennis tournament at the Roland Garros stadium in Paris, France, May 25, 2015. (Photo by Jean-Paul Pelissier/Reuters)

Saisai Zheng of China plays a shot to Lucie Hradecka of the Czech Republic during their women's singles match at the French Open tennis tournament at the Roland Garros stadium in Paris, France, May 25, 2015. (Photo by Gonzalo Fuentes/Reuters)

Saisai Zheng of China reacts during the women's singles match against Lucie Hradecka of the Czech Republic at the French Open tennis tournament at the Roland Garros stadium in Paris, France, May 25, 2015. (Photo by Gonzalo Fuentes/Reuters)

Tennis, French Open – Roland Garros, Paris, France – May 25, 2015: Women's Singles – Great Britain's Heather Watson in action during the first round. (Photo by Jason Cairnduff/Action Images via Reuters)

Facundo Arguello of Argentina pauses during the men's singles match against Andy Murray of Britain at the French Open tennis tournament at the Roland Garros stadium in Paris, France, May 25, 2015. (Photo by Gonzalo Fuentes/Reuters)

Denisa Allertova of the Czech Republic reacts during the women's singles match against Johanna Konta of Britain at the French Open tennis tournament at the Roland Garros stadium in Paris, France, May 25, 2015. (Photo by Gonzalo Fuentes/Reuters)

Puerto Rico's Monica Puig serves in the first round match of the French Open tennis tournament against Germany's Sabine Lisicki at the Roland Garros stadium, in Paris, France, Monday, May 25, 2015. (Photo by David Vincent/AP Photo)

A ball girl passes the balls as Switzerland's Stefanie Voegele plays in the first round match of the French Open tennis tournament against Vitalia Diatchenko of Russia at the Roland Garros stadium, in Paris, France, Monday, May 25, 2015. (Photo by Francois Mori/AP Photo)

France's Alize Cornet returns in the first round match of the French Open tennis tournament against Italy's Roberta Vinci at the Roland Garros stadium, in Paris, France, Monday, May 25, 2015. (Photo by Christophe Ena/AP Photo)